private void DrawStatistic()
{
string[] seriesArray = { "Right answers", "Wrong answers", "Cancelled answers" };
var points = _statisticService.GetAnswersCount(dateTimePickerFromDate.Value.Date, dateTimePickerToDate.Value.Date);
var pointsArray = new [] { points.Item1, points.Item2, points.Item3 };
chart1.Palette = ChartColorPalette.SeaGreen;
chart1.Series.Clear();
chart1.ChartAreas[0].AxisX.MajorGrid.LineWidth = 0;
for (var i = 0; i < seriesArray.Length; i++)
{
var series = chart1.Series.Add(seriesArray[i]);
series.Points.Add(pointsArray[i]);
chart1.Series[i].IsValueShownAsLabel = true;
}
}
